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Designed for Caterpillar 3204 engines, widely used in excavators, bulldozers, loaders, and other heavy-duty equipment. Heat-resistant alloy cast iron, offering excellent crack resistance and wear durability. CNC machining ensures smooth air/fuel passages and high combustion chamber efficiency. Fully compliant with Caterpillar OEM standards, reliable under harsh working conditions. It is easy to distinguish it from other inferior 3204 cylinder head (the last photo).